Mô tả

Điều hòa phòng sạch

Air conditioning system for clean rooms

In Vietnam, the construction of factories manufacturing electronic components – semiconductors, circuit boards, chip production, pharmaceuticals, and cosmetics is being widely developed.

In clean rooms, air conditioning solves five main problems: temperature, humidity, room pressure, cleanliness and cross-contamination. The most important thing is to accurately control temperature and humidity. Air conditioning systems for clean rooms are an issue that contractors and investors pay close attention to.

Vertiv with many years of experience in constructing and completing factories and clean rooms has succeeded in many projects in the provinces, especially Had Noi, Hung Yen, Nam Dinh, …. Join VOIMT to find Understand air conditioning systems for clean rooms.

1: Standard element of air conditioning in clean room
The first standard of a clean room is dust content, which means the content of dust particles suspended in the air is controlled to the lowest level.

1: Temperature: 23  ±  1 °C

2: Humidity: 50 ± 4%

3: Room pressure

4: Cleanliness

5: Cross-contamination problem

II. Air conditioning system for clean rooms

When the air system in the room is clean, the main function will be to reduce the concentration of dust particles and pollutants produced in the room. The number of air exchanges depends on the rooms requiring different cleanliness levels.

Including a central air conditioning system that uses cold water to cool the air and dehumidify the air. The other type is a local air conditioning system with 1 outdoor unit and 1 indoor unit, using gas to cool the air and dehumidify the air.

Meaning: regulate air from temperature to humidity, cleanliness, pressure to suit the room space.

– Cleanliness for hospital clean rooms:

+ class 10,000 for large operating rooms.

+ class 100,000 for minor surgery rooms and clean hallways.

Air conditioning system for clean rooms điều hòa phòng sạch

AHU and PAC air handling equipment will process the air to reach temperature and humidity and then use high standard air filters to filter dust. This dust filter device needs to filter to meet the requirements for cleanliness and number of air exchanges for the operating room space.

The main task of the air conditioning system is to prevent air, dust particles, and infectious substances from passing into cleaner areas from dusty areas. Going from high pressure to low pressure is the basic principle of air. Therefore, rooms with cleanliness levels have higher pressure and rooms with lower levels have lower pressure. The pressure gauge will control the pressure in the room, when the room pressure exceeds it will automatically overflow. Pass-Through Grilles. Usually, only rooms with high requirements have exhaust vents installed. The design of creating pressure in the room must take into account the pressure head of the fan and the difference between the supply and return air in the clean room. In pharmaceutical factory design according to WHO-GMP (World Health Organization-Good Manufacturing Practice) standards, the pressure levels are +(15Pa), ++(30Pa),+++(45Pa), respectively.

The filter and the number of air exchanges or recirculation times (Air Changes per Hour) are the factors that determine cleanliness. Normally, for air conditioning for office buildings, it can be from 2 to 10 times. But in the room, the number of air exchanges is up to 20 times, especially in the clean room for chip production up to 100 times. Increase the number of air exchanges to reduce the concentration of dust particles and pollutants produced in the room.

Therefore, the clean room structure is different from office buildings. For rooms with different cleanliness requirements, the number of air exchange times is also different. H12 level filter. The filter’s job is to filter out dust particles from the air before entering the room. Depending on the requirements of the type of room, use the appropriate filter.

The air conditioning system in a clean room is extremely important, it provides a clean, dust-free air flow in the clean room. Let’s join VOIMT in building an air conditioning system for clean rooms that is effective in the production process.
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